Manley Chevrolet Big Block Forged Crankshaft - 4.375in Stroke - 190250

Our "Pro Series" 4340 alloy steel crankshafts are available with many value packed and high-performance enhancing features for a wide range of domestic engine applications.

Features

• Lightweight Design, 4340 Non-Twist Forging: Our crankshafts feature a lightweight 4340 non-twist forging, ensuring durability and performance.
• Enhanced Strength: A multi-step heat treatment process and nitriding enhance the crankshafts' strength and longevity.
• Micro-Polished Journals: Large radius journals are micro-polished to reduce friction and enhance performance.
• Rigorous Quality Assurance: Each crankshaft undergoes stress relief, shot peening, and 100% magnafluxing to meet our stringent quality standards.

Specs

• Manley Crankshaft, CRANK-4340 FORGE 4.375 STROKE
• Product Market: Domestic
• Weight: 65.000
• Product Type: Engine Crankshaft
• Engine Stroke: 4.375
• Minimum Rod Length: 6.535
• Main Journal Diameter: 2.750
• Rod Journal Diameter: 2.200
• Bob Weight: 2350
• Crankshaft Material: 4340 Steel
• Lightened: No
• Reluctor Ring Included: No
• Rear Main Seal Type: 2 Piece
• Material: 4340 Steel
• Industry: Automotive
• Out of Stock Message: Call for Availability
• Title: Manley Crankshaft, CRANK-4340 FORGE 4.375 STROKE
• Prop 65 Yes/No: Yes
• Prop 65 (C, R or CR): CR
• Prop 65 - Short Label: Prop 65 Warning Label.JPG
• Engine Type: ICE
• Make: Chevrolet
• Engine: Big Block